press a to reveal doors Space to reveal all doors Click on a door to select don't do the stuff while adjusting settings Press G to make doors transparent which will help you explore the possibilities and reasoning behind it. Press R to reset the counters i.e Correct, Total, % correct.
Yeah so basically the steps are: 1. Select a door 2. Press a 3. Select a door again (switch or don't switch) 4. Press Space to see if you selected the right door.